Wristwatch



FIG. 1 is a top plan view of a wristwatch showing my new design;

FIG. 2 is a view thereof from the left of FIG. 1;

FIG. 3 is a view thereof from the right of FIG. 1;

FIG. 4 is a view thereof from the top of FIG. 1;

FIG. 5 is a view thereof from the bottom of FIG. 1; and,

FIG. 6 is a view thereof from the side opposite that shown in FIG. 1. 

The ornamental design for a wristwatch, as shown. 